ML21314A014
| ML21314A014 | |
| Person / Time | |
|---|---|
| Site: | 07109337 |
| Issue date: | 11/09/2021 |
| From: | Ashley Ferguson Croft Associates Limited |
| To: | William Allen Document Control Desk, Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML21314A013 | List: |
| References | |
| Download: ML21314A014 (2) | |
Text
09 November, 2021 Attention: William Allen Project Manager Licensing Branch Division of Spent Fuel Storage and Transportation Office of Nuclear Material Safety and Safeguards US Nuclear Regulatory Commission Washington DC 20555-0001 Docket No. 71-9337 TAC No. L2???
Subject:
Submission of SARP 3979A modification to Section 8 NCT seal material test temperature Dear Mr. Allen Enclosed with this letter are the proposed temperature reduction impact assessment on SARP 3979A Rev 7(CTR 2021/22 Issue A), with the intention or reducing the NCT seal test temperature specified in Section 8 of the SARP from 150oC to 130oC. This assessment is supported by the test work reported in CTR 2021/24 Issue A, which is also enclosed.
The documentation submitted includes an assessment of the impact on safety functions associated with the NCT test temperature reduction, no other changes are proposed. These documents include Croft proprietary information that we request be withheld from public disclosure pursuant to paragraph (a)(4) of 10 CFR 2.390: we hereby submit an affidavit regarding this proprietary information.
If you require further information regarding this submission, please contact:
Alex Ferguson Telephone: 00 44 1865 407740 Email: alex.ferguson@croftltd.com Address: Croft Associates Ltd, F4 Culham Science Centre, Culham, Abingdon, Oxfordshire. OX14 3DB, UK Yours sincerely Alex Ferguson Licensing Director Croft Associates Limited
[3977B-2021-10-SARP Rev0-Transmittal Letter-v1.docx]
Croft Associates Ltd T: +44 (0)1865 407740 F4 Culham Science Centre F: +44 (0)1865 407449 Culham, Abingdon, E: info@croftltd.com Oxon, United Kingdom W: www.croftltd.com OX14 3DB FM 28718 - ISO9001 Registered in England No: 1698337 EMS 720456 - ISO14001 Page 1 of 2
Documents submitted Filename Document 3979A-2021-SARP Rev7-71-9937- Transmittal Letter Transmittal Letter-v1.docx 3979A Affidavit November 2021.pdf AFFIDAVIT PURSUANT TO 10 CFR 2.390 CTR2021-22-A-v1-3979A O-ring test temp NCT Temperature reduction reduction - SARP Impact.docx impact assessment on SARP 3979A Rev 7.
CTR2021-24-A-v3.pdf LS 3979A (3980) O-ring Seal Thermal Tests Croft Associates Ltd T: +44 (0)1865 407740 F4 Culham Science Centre F: +44 (0)1865 407449 Culham, Abingdon, E: info@croftltd.com Oxon, United Kingdom W: www.croftltd.com OX14 3DB FM 28718 - ISO9001 Registered in England No: 1698337 EMS 720456 - ISO14001 Page 2 of 2